[INFO] updating cached repository lfn3/rs-advent
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lfn3/rs-advent
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lfn3/rs-advent" "work/ex/beta-1.38-1/sources/1.37.0/gh/lfn3/rs-advent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lfn3/rs-advent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lfn3/rs-advent" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfn3/rs-advent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfn3/rs-advent'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cd62ac239d19477eaffc88b660bb16a793f6cbf
[INFO] sha for GitHub repo lfn3/rs-advent: 0cd62ac239d19477eaffc88b660bb16a793f6cbf
[INFO] validating manifest of lfn3/rs-advent on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lfn3/rs-advent on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lfn3/rs-advent
[INFO] finished frobbing lfn3/rs-advent
[INFO] frobbed toml for lfn3/rs-advent written to work/ex/beta-1.38-1/sources/1.37.0/gh/lfn3/rs-advent/Cargo.toml
[INFO] started frobbing lfn3/rs-advent
[INFO] finished frobbing lfn3/rs-advent
[INFO] frobbed toml for lfn3/rs-advent written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfn3/rs-advent/Cargo.toml
[INFO] crate lfn3/rs-advent already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lfn3/rs-advent against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfn3/rs-advent:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6ef7b310563a985e21d00baffe3f55414858dfbba864bab264c527c72a027743
[INFO] running `"docker" "start" "-a" "6ef7b310563a985e21d00baffe3f55414858dfbba864bab264c527c72a027743"`
[INFO] [stderr]    Compiling rs-advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_metadata(data: &mut Iterator<Item = usize>) -> Vec<usize> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn take_metadata(data: &mut Iterator<Item = usize>, count: usize) -> Vec<usize> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn read_header(data: &mut Iterator<Item = usize>) -> (usize, usize) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn reduce(i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:61:42
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn reduce_without(polymer: char, i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "6ef7b310563a985e21d00baffe3f55414858dfbba864bab264c527c72a027743"`
[INFO] running `"docker" "rm" "-f" "6ef7b310563a985e21d00baffe3f55414858dfbba864bab264c527c72a027743"`
[INFO] [stdout] 6ef7b310563a985e21d00baffe3f55414858dfbba864bab264c527c72a027743
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfn3/rs-advent:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5b6cb7745af5bdf497f8800c6b0fec604e85720e4e8363cb6b70c89ed6a5fbf2
[INFO] running `"docker" "start" "-a" "5b6cb7745af5bdf497f8800c6b0fec604e85720e4e8363cb6b70c89ed6a5fbf2"`
[INFO] [stderr]    Compiling rs-advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_metadata(data: &mut Iterator<Item = usize>) -> Vec<usize> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn take_metadata(data: &mut Iterator<Item = usize>, count: usize) -> Vec<usize> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn read_header(data: &mut Iterator<Item = usize>) -> (usize, usize) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn reduce(i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:61:42
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn reduce_without(polymer: char, i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "5b6cb7745af5bdf497f8800c6b0fec604e85720e4e8363cb6b70c89ed6a5fbf2"`
[INFO] running `"docker" "rm" "-f" "5b6cb7745af5bdf497f8800c6b0fec604e85720e4e8363cb6b70c89ed6a5fbf2"`
[INFO] [stdout] 5b6cb7745af5bdf497f8800c6b0fec604e85720e4e8363cb6b70c89ed6a5fbf2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lfn3/rs-advent:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1dae375daee762c4395e3037e30ecf46f71d3f3aca1cd3d4bdb208bdff59c850
[INFO] running `"docker" "start" "-a" "1dae375daee762c4395e3037e30ecf46f71d3f3aca1cd3d4bdb208bdff59c850"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rs_advent-a6e34bbdd4223f5d
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test five::test_reduce_without ... ok
[INFO] [stdout] test eight::test_solve_part_one ... ok
[INFO] [stdout] test two::test_has_n ... ok
[INFO] [stdout] test one::should_solve_sample_input ... ok
[INFO] [stdout] test five::test_reduce_without_all ... ok
[INFO] [stdout] test five::test_flip ... ok
[INFO] [stdout] test one::should_solve_part_two_sample_input ... ok
[INFO] [stdout] test one::should_solve_part_one_sample_input ... ok
[INFO] [stdout] test five::test_solve_part_one ... ok
[INFO] [stdout] test two::test_testable_solve ... ok
[INFO] [stdout] test nine::test_solve_part_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1dae375daee762c4395e3037e30ecf46f71d3f3aca1cd3d4bdb208bdff59c850"`
[INFO] running `"docker" "rm" "-f" "1dae375daee762c4395e3037e30ecf46f71d3f3aca1cd3d4bdb208bdff59c850"`
[INFO] [stdout] 1dae375daee762c4395e3037e30ecf46f71d3f3aca1cd3d4bdb208bdff59c850